30 CFR 816.42 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 700.1 To Parts 1291-1299) — Office Of Surface Mining Reclamation And Enforcement, Department Of The Interior (§ 700.1 To Parts 956-999) — Permanent Program Performance Standards (§ 810.1 To § 828.12) — Permanent Program Performance Standards - Surface Mining Activities (§ 816.1 To § 816.200) — Hydrologic balance: Water quality standards and effluent limitations.